One security worker has been killed and five other employees have been injured in a Russian attack on a mine office belonging to DTEK Group, Ukraine's largest private energy company, in Dnipropetrovsk Oblast.

The company said energy workers and emergency responders were working shoulder to shoulder to deal with the consequences of the attack

One security worker has been killed and five other employees have been injured in a Russian attack on a mine office belonging to DTEK Group, Ukraine's largest private energy…